Screen size
Galaxy Watch Ultra21.5"
Z370Winner: 1.9"+21%
Quick verdict
Galaxy Watch Ultra2 leads the measured specs 11-7.
Measured wins
Galaxy Watch Ultra2
11
spec wins
Overall winner
Ties
2
equal specs
Z370
7
spec wins
Screen size
Technology
Galaxy Watch Ultra2
GSM / HSPA / LTE
Z370
GSM / UMTS
2G bands
Galaxy Watch Ultra2
GSM 850 / 900 / 1800 / 1900
Z370
GSM 900 / 1800 / 1900
3G bands
Galaxy Watch Ultra2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Z370
UMTS 2100
4G bands
Galaxy Watch Ultra2
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
Z370
-
Speed
Galaxy Watch Ultra2
HSPA, LTE
Z370
Yes, 384 kbps
Announced
Galaxy Watch Ultra2
Not announced yet
Z370
2006, August
Status
Galaxy Watch Ultra2
Rumored
Z370
Discontinued
Dimensions
Galaxy Watch Ultra2
-
Z370
112 x 50 x 8.4 mm (4.41 x 1.97 x 0.33 in)
Weight
Galaxy Watch Ultra2
-
Z370
71 g (2.50 oz)
Build
Galaxy Watch Ultra2
Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 4)
Z370
-
SIM
Galaxy Watch Ultra2
eSIM
Z370
Mini-SIM
Other
Galaxy Watch Ultra2
IP68 dust tight and water resistant (immersible up to 100m/10ATM for 10 min) MIL-STD-810H compliant ECG certified
Z370
-
Type
Galaxy Watch Ultra2
Super AMOLED, 5000 nits (peak)
Z370
TFT, 256K colors
Size
Galaxy Watch Ultra2
1.5 inches
Z370
1.9 inches, 11.4 cm2 (~20.3% screen-to-body ratio)
Resolution
Galaxy Watch Ultra2
480 x 480 pixels (~327 ppi density)
Z370
220 x 176 pixels (~148 ppi density)
Protection
Galaxy Watch Ultra2
Sapphire crystal glass
Z370
-
OS
Galaxy Watch Ultra2
Android Wear OS 6, One UI Watch 9
Z370
-
Chipset
Galaxy Watch Ultra2
Snapdragon SW6100 Wear Elite (3 nm)
Z370
-
CPU
Galaxy Watch Ultra2
Penta-core (1x2.1 GHz & 4x 1.95 GHz)
Z370
-
Card slot
Galaxy Watch Ultra2
No
Z370
microSD (dedicated slot)
Internal
Galaxy Watch Ultra2
32GB 2GB RAM, 64GB 2GB RAM
Z370
20MB
Phonebook
Galaxy Watch Ultra2
-
Z370
Yes
Call records
Galaxy Watch Ultra2
-
Z370
20 dialed, 20 received, 20 missed calls
Other
Galaxy Watch Ultra2
No
Z370
-
Loudspeaker
Galaxy Watch Ultra2
Yes
Z370
Yes
3.5mm jack
Galaxy Watch Ultra2
No
Z370
No
Alert types
Galaxy Watch Ultra2
-
Z370
Vibration; Downloadable polyphonic, MP3 ringtones
WLAN
Galaxy Watch Ultra2
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Z370
No
Bluetooth
Galaxy Watch Ultra2
6.0, A2DP, LE
Z370
1.2, A2DP
Positioning
Galaxy Watch Ultra2
GPS (L1+L5), GLONASS, GALILEO, BDS
Z370
No
NFC
Galaxy Watch Ultra2
Yes
Z370
-
Radio
Galaxy Watch Ultra2
No
Z370
No
USB
Galaxy Watch Ultra2
No
Z370
1.1
Sensors
Galaxy Watch Ultra2
Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive
Z370
Messaging
Galaxy Watch Ultra2
-
Z370
SMS, EMS, MMS, Email
Browser
Galaxy Watch Ultra2
-
Z370
WAP 2.0/xHTML
Games
Galaxy Watch Ultra2
-
Z370
Yes + downloadable
Java
Galaxy Watch Ultra2
-
Z370
Yes, MIDP 2.0
Other
Galaxy Watch Ultra2
-
Z370
Video telephony & streaming MP3/AAC/AAC+/eAAC+/MP4 player Predictive text input Document viewer (Word, Excel, PowerPoint, PDF) BT printing Organizer Voice memo
Type
Galaxy Watch Ultra2
Si/C Li-Ion 800 mAh
Z370
Removable Li-Ion 900 mAh battery
Charging
Galaxy Watch Ultra2
10W wireless
Z370
-
Stand-by
Galaxy Watch Ultra2
-
Z370
Up to 240 h
Talk time
Galaxy Watch Ultra2
-
Z370
Up to 2 h 45 min
Colors
Galaxy Watch Ultra2
Gray, Green
Z370
Black, Silver, Violet
Models
Galaxy Watch Ultra2
SM-L715F
Z370
-
Price
Galaxy Watch Ultra2
About 750 EUR
Z370
About 140 EUR
SAR
Galaxy Watch Ultra2
-
Z370
1.39 W/kg (head) 0.95 W/kg (body)
SAR EU
Galaxy Watch Ultra2
-
Z370
0.99 W/kg (head)
Single
Galaxy Watch Ultra2
-
Z370
2 MP
Video
Galaxy Watch Ultra2
-
Z370
Yes
Single
Galaxy Watch Ultra2
-
Z370
VGA videocall camera
Video
Galaxy Watch Ultra2
-
Z370